- R :
- Do you think that humans will be able to live on Mars someday?
- A :
- Live on Mars? Come on! Mars is a planet that has almost no oxygen. Did you have a strange dream last night?
- R :
- No, I’m serious! NASA wants to send humans there by the 2030s.
- A :
- Oh, are you planning on going?
- R :
- Actually, that’s what I hope to do. I want to be an astronaut.